Home / 1,166,938.32-1,750,718.64-418,990.80

Finding the Fourth Proportional to 1,166,938.32, 1,750,718.64 and 418,990.80

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Solution

The fourth proportional to 1,166,938.32, 1,750,718.64 and 418,990.80 is: 628,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,938.32 : 1,750,718.64 = 418,990.80 : x
  2. Step 2: Convert to fraction form
    1,166,938.32/1,750,718.64 = 418,990.80/x
  3. Step 3: Cross multiply
    1,166,938.32x = 1,750,718.64 × 418,990.80
  4. Step 4: Simplify right side
    1,166,938.32x = 733,535,003,548.51
  5. Step 5: Solve for x
    x = 733,535,003,548.51/1,166,938.32
  6. Step 6: Final answer
    x = 628,597.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.